pkg/front_end/testcases/general/top_level_promotion.dart.strong.transformed.expect

library;
import self as self;
import "dart:core" as core;

typedef Function1<O extends core::Object? = dynamic, contravariant I extends core::Object? = dynamic> = (I%) → self::Class2<O%>?;
abstract class Class1 extends core::Object {
  synthetic constructor •() → self::Class1
    : super core::Object::•()
    ;
  abstract get field1() → core::String;
}
abstract class Class2<V extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::Class2<self::Class2::V%>
    : super core::Object::•()
    ;
}
class Class3<V extends core::Object? = dynamic, D extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::Class3<self::Class3::V%, self::Class3::D%>
    : super core::Object::•()
    ;
}
class Class4<K extends core::Object? = dynamic, V extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::Class4<self::Class4::K%, self::Class4::V%>
    : super core::Object::•()
    ;
  operator [](covariant-by-class self::Class4::K% key) → self::Class2<self::Class4::V%>
    return throw "";
}
class Class5 extends core::Object {
  late final field self::Class4<core::String?, core::bool> field2 = new self::Class4::•<core::String?, core::bool>();
  late final field self::Class3<core::bool, self::Class1?> field3 = self::Extension1|method1<self::Class1?, core::bool>(this.{self::Class5::getter1}{self::Class2<self::Class1?>}, (self::Class1? o) → self::Class2<core::bool>? => !(o == null) ?{self::Class2<core::bool>?} this.{self::Class5::field2}{self::Class4<core::String?, core::bool>}.{self::Class4::[]}(o{self::Class1}.{self::Class1::field1}{core::String}){(core::String?) → self::Class2<core::bool>} : null);
  synthetic constructor •() → self::Class5
    : super core::Object::•()
    ;
  method method2() → dynamic {
    function #local1#initializer() → self::Class3<core::bool, self::Class1?>
      return self::Extension1|method1<self::Class1?, core::bool>(this.{self::Class5::getter1}{self::Class2<self::Class1?>}, (self::Class1? o) → self::Class2<core::bool>? => !(o == null) ?{self::Class2<core::bool>?} this.{self::Class5::field2}{self::Class4<core::String?, core::bool>}.{self::Class4::[]}(o{self::Class1}.{self::Class1::field1}{core::String}){(core::String?) → self::Class2<core::bool>} : null);
    late final self::Class3<core::bool, self::Class1?> local1 = #local1#initializer(){() → self::Class3<core::bool, self::Class1?>};
  }
  get getter1() → self::Class2<self::Class1?>
    return throw "";
}
extension Extension1<V extends core::Object? = dynamic> on self::Class2<V%> {
  method method1 = self::Extension1|method1;
  method tearoff method1 = self::Extension1|get#method1;
}
static extension-member method Extension1|method1<V extends core::Object? = dynamic, M extends core::Object? = dynamic>(lowered final self::Class2<self::Extension1|method1::V%> #this, (self::Extension1|method1::V%) → self::Class2<self::Extension1|method1::M%>? f) → self::Class3<self::Extension1|method1::M%, self::Extension1|method1::V%> {
  throw "";
}
static extension-member method Extension1|get#method1<V extends core::Object? = dynamic>(lowered final self::Class2<self::Extension1|get#method1::V%> #this) → <M extends core::Object? = dynamic>((self::Extension1|get#method1::V%) → self::Class2<M%>?) → self::Class3<M%, self::Extension1|get#method1::V%>
  return <M extends core::Object? = dynamic>((self::Extension1|get#method1::V%) → self::Class2<M%>? f) → self::Class3<M%, self::Extension1|get#method1::V%> => self::Extension1|method1<self::Extension1|get#method1::V%, M%>(#this, f);